TLS Online TPP Program

#Question id: 18927


Which of the following statements, if any, is false?

#Unit 13. Methods in Biology
  1. The polymerase chain reaction (PCR) is a cell-free method of DNA amplification.
  2. PCR is usually used to amplify a specific DNA sequence of interest using oligonucleotide primers that bind to closely flanking sequences.
  3. PCR is superior to cell-based DNA cloning for two major reasons: it is much quicker and it allows much greater DNA amplification.
  4. PCR requires the use of a heat-stable DNA polymerase to make copies of the template DNA.
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TLS Online TPP Program

#Question id: 4988

#Unit 11. Evolution and Behavior

If the foods preferred by each species are found on different parts of the island, and if the flies mate and lay eggs on their food sources, regardless of the location of the food sources, then the speciation events involving these fly species may have been driven, at least in part, by which of the following?

TLS Online TPP Program

#Question id: 17217

#Unit 7. System Physiology – Animal

Which of the following stress affects the body's structure and function Such as diseases, mobility problems?

TLS Online TPP Program

#Question id: 12009

#Unit 10. Ecological Principles

Charles Darwin discussed all of the following EXCEPT:

TLS Online TPP Program

#Question id: 18611

#Unit 13. Methods in Biology

The long product of PCR is generated in

TLS Online TPP Program

#Question id: 10288

#Unit 6. System Physiology – Plant

 If all the ATP are radiolabelled in the cytosol, then predict about radioactivity of each compound.

 a) All enzyme  of glycolysis will be radiolabelled except 2-phophoglycerate and phosphenol pyruvate

 b) 2-phophoglycerate and phosphenol pyruvate are radiolabelled only the next cycle of glycolysis after cytosolic ATP radiolabelling

 c) 1,3 bisphosphoglycerate will be radiolabelled at 1 and 3 both position

 d) 2-phosphoglycerate are not radiolabelled because its enzyme phosphoglycerate mutase active site contain histidine residue exchange phosphate group from 3-phosphoglycerate

 which prediction about radiolabelling is incorrect?